[R] how to write this summation n R

[Jeff Newmiller]

You seem to have forgotten to show us any version of "this equation". You could link to a Web site that shows it,  or you could use LaTeX notation. 
-- 
Sent from my phone. Please excuse my brevity.

On November 23, 2015 3:05:44 PM PST, Sherouk Moawad via R-help <r-help at r-project.org> wrote:
>Dear R experts do you have any idea about how this equation can be
>written in R??
>______________________________________________
>R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

	[[alternative HTML version deleted]]